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Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
1. Multiplying Integers
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Exercise 2 Page 53

The distance between any two numbers on a number line is the absolute value of the difference of the two numbers.

1.3

Practice makes perfect

We want to find the distance between - 7.7 and - 6.4 on a number line. Let's mark the numbers on the number line!

We want to calculate the distance between the points on the diagram. Recall that the distance between any two numbers on a number line is the absolute value of the difference of the two numbers.

We will use this information to find the distance between the - 7.7 and - 6.4. Let's do it!
|- 7.7-(- 6.4)|
SubNeg

a-(- b)=a+b

|- 7.7+6.4|
AddTerms

Add terms

|- 1.3|
AbsNeg

|-1.3|=1.3

1.3
The distance between the two numbers on the number line is 1.3.
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